From: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Date: Mon, 30 Apr 2007 07:42:20 +0000 (-0700)
Subject: [TCP] FRTO: RFC4138 allows Nagle override when new data must be sent
X-Git-Tag: v2.6.22-rc1~1107^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d551e4541dd60ae53459f77a971f2d6043431f5f;p=pandora-kernel.git

[TCP] FRTO: RFC4138 allows Nagle override when new data must be sent

This is a corner case where less than MSS sized new data thingie
is awaiting in the send queue. For F-RTO to work correctly, a
new data segment must be sent at certain point or F-RTO cannot
be used at all. RFC4138 allows overriding of Nagle at that
point.

Implementation uses frto_counter states 2 and 3 to distinguish
when Nagle override is needed.

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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